Step 1 burn the ISO: Use a blank DVD, put it on your DVD-Burn tray, press burn on your software with the game in, that you want to burn.
Step 2 playing the games: Insert the DVD (already burned) into the Disc Slot of your Wii, if you have a ModChip (physical) you can press start in the Disc Channel, if not click here------> BUL0.3 Gamma